<!--{block return}-->
        <script type="text/javascript">
        try{
            var node = document.getElementById("signhtmlpreview");
            var insertedNode = document.createElement("div");
            insertedNode.className = 'sina-sign-btn';
            insertedNode.onclick = function(){XWBcontrol.openSigner();};
            node.parentNode.insertBefore(insertedNode, node.nextSibling);
        }catch(e){
        }
        </script>
<!--{/block}-->